<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    div {
      width: 50%;
      height: 50px;
      margin-left: auto;
      margin-right: auto;
      margin-top: 20%;
      font-size: 36px;
      text-align: center;
      line-height: 50px
    }
  </style>
</head>

<body>
  <div>Hello Sky-Blue</div>
</body>

</html>
